Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 31, Nervous System - Assessment - 31.1 The Neuron - Understand Key Concepts/Think Critically - Page 916: 3



Work Step by Step

Option b. is incorrect. Dendrites receive impulses from other cells and transmit them to the cell body. Option c. is incorrect. The myelin sheath wraps around the axon of the neuron. Option d. is incorrect. Receptors are special cells that respond to stimuli in the environment. Option a. is correct. The synapse is the space between the axon terminal of one neuron and the dendrite of another. This is where the axon terminal releases a neurotransmitter to initiate a nerve impulse in an adjacent neuron.
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